/*
 * MIT License
 *
 * Copyright (c) 2023 北京凯特伟业科技有限公司
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package com.je.bpm.engine.impl.bpmn.helper;

import com.je.bpm.engine.ActivitiIllegalArgumentException;
import com.je.bpm.engine.delegate.event.ActivitiEvent;
import com.je.bpm.engine.impl.context.Context;
import com.je.bpm.engine.impl.persistence.entity.EventSubscriptionEntity;
import com.je.bpm.engine.impl.persistence.entity.EventSubscriptionEntityManager;
import com.je.bpm.engine.impl.persistence.entity.MessageEventSubscriptionEntity;

import java.util.List;

/**
 * An {@link com.je.bpm.engine.delegate.event.ActivitiEventListener} that throws a message event when an event is dispatched to it. Sends the message to the execution the event was fired from. If the execution is not subscribed to a
 * message, the process-instance is checked.
 */
public class MessageThrowingEventListener extends BaseDelegateEventListener {

    protected String messageName;
    protected Class<?> entityClass;

    @Override
    public void onEvent(ActivitiEvent event) {
        if (isValidEvent(event)) {

            if (event.getProcessInstanceId() == null) {
                throw new ActivitiIllegalArgumentException("Cannot throw process-instance scoped message, since the dispatched event is not part of an ongoing process instance");
            }

            EventSubscriptionEntityManager eventSubscriptionEntityManager = Context.getCommandContext().getEventSubscriptionEntityManager();
            List<MessageEventSubscriptionEntity> subscriptionEntities = eventSubscriptionEntityManager.findMessageEventSubscriptionsByProcessInstanceAndEventName(
                    event.getProcessInstanceId(), messageName);

            for (EventSubscriptionEntity messageEventSubscriptionEntity : subscriptionEntities) {
                eventSubscriptionEntityManager.eventReceived(messageEventSubscriptionEntity, null, false);
            }
        }
    }

    public void setMessageName(String messageName) {
        this.messageName = messageName;
    }

    @Override
    public boolean isFailOnException() {
        return true;
    }
}
